package com.atguigu.gulimall.product.service.impl;

import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SkuInfoDao;
import com.atguigu.gulimall.product.entity.SkuInfoEntity;
import com.atguigu.gulimall.product.service.SkuInfoService;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    /**
     * 方法说明：
     *
     * @MethodName 保存sku的基本信息
     * @Description    
     * @Author chenCheng
     * @EMAIL <2277411582@qq.com>
     * @Date 2022/9/27 16:30  
     * @修改人及日期：
     * @修改说明：
     */
    @Override
    public void saveSkuInfo(SkuInfoEntity skuInfoEntity) {
        this.save(skuInfoEntity);
    }

    /**
     * 方法说明：
     *
     * @MethodName 带条件的查询sku的列表信息
     * @Description    
     * @Author chenCheng
     * @EMAIL <2277411582@qq.com>
     * @Date 2022/9/27 19:11  
     * @修改人及日期：
     * @修改说明：
     */
    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SkuInfoEntity> queryWrapper = new QueryWrapper<>();

        /**
         * key:
         * catelogId: 0
         * brandId: 0
         * min: 0
         * max: 0
         */
        // id与name的查询条件
        String key = (String) params.get("key");
        if(!StringUtils.isEmpty(key)){
            queryWrapper.and((wrapper)->{
                wrapper.eq("sku_id",key).or().like("sku_name",key);
            });
        }
        // 品牌id的条件
        String brandId = (String) params.get("brandId");
        if(!StringUtils.isEmpty(brandId)){
            queryWrapper.eq("brand_id",brandId);
        }
        // 分类id的条件
        String catelogId = (String) params.get("catelogId");
        if(!StringUtils.isEmpty(catelogId)){
            queryWrapper.eq("catalog_id",catelogId);
        }
        // 最小价格的条件
        String min = (String) params.get("min");
        if(!StringUtils.isEmpty(min)){
            queryWrapper.ge("price",min);
        }

        String max = (String) params.get("max");
        if(!StringUtils.isEmpty(max)  ){
            try{
                BigDecimal bigDecimal = new BigDecimal(max);
                if(bigDecimal.compareTo(new BigDecimal("0"))==1){
                    queryWrapper.le("price",max);
                }
            }catch (Exception e){
            }
        }

        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                queryWrapper
        );

        return new PageUtils(page);
    }

}